Finding the Fourth Proportional to 5,475.07, 7,543.15 and 5,105.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,475.07 : 7,543.15 = 5,105.71 : x
2. Step 2: Convert to fraction form
   5,475.07/7,543.15 = 5,105.71/x
3. Step 3: Cross multiply
   5,475.07x = 7,543.15 × 5,105.71
4. Step 4: Simplify right side
   5,475.07x = 38,513,136.39
5. Step 5: Solve for x
   x = 38,513,136.39/5,475.07
6. Step 6: Final answer
   x = 7,034.27